EP0382460A3 - Flüssigkristall-Anzeigevorrichtung - Google Patents

Flüssigkristall-Anzeigevorrichtung Download PDF

Info

Publication number: EP0382460A3
Authority: EP; European Patent Office
Prior art keywords: liquid crystal; display device; crystal display; phase difference; exit
Prior art date: 1989-02-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19900301203

Other languages

English (en)

French (fr)

Other versions

EP0382460B1 (de

EP0382460A2 (de

Inventor

Hiroshi Ohnishi

Toshiyuki Yoshimizu

Masakazu Wada

Hiroshi Kuwagaki

Toshimichi Katsube

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sharp Corp

Original Assignee

Sharp Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-02-06

Filing date

1990-02-06

Publication date

1991-11-06

1989-10-06 Priority claimed from JP1262624A external-priority patent/JP2667716B2/ja

1990-02-06 Application filed by Sharp Corp filed Critical Sharp Corp

1990-08-16 Publication of EP0382460A2 publication Critical patent/EP0382460A2/de

1991-11-06 Publication of EP0382460A3 publication Critical patent/EP0382460A3/de

1994-11-30 Application granted granted Critical

1994-11-30 Publication of EP0382460B1 publication Critical patent/EP0382460B1/de

2010-02-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133637—Birefringent elements, e.g. for optical compensation characterised by the wavelength dispersion
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
- G02F1/1397—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/02—Number of plates being 2
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Mathematical Physics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Liquid Crystal (AREA)
Polarising Elements (AREA)

EP90301203A 1989-02-06 1990-02-06 Flüssigkristall-Anzeigevorrichtung Expired - Lifetime EP0382460B1 (de)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
JP2838789		1989-02-06
JP28387/89		1989-02-06
JP72150/89		1989-03-24
JP7215089		1989-03-24
JP11009089		1989-04-29
JP110090/89		1989-04-29
JP1262624A JP2667716B2 (ja)	1989-02-06	1989-10-06	液晶表示装置
JP262624/89		1989-10-06

Publications (3)

Publication Number	Publication Date
EP0382460A2 EP0382460A2 (de)	1990-08-16
EP0382460A3 true EP0382460A3 (de)	1991-11-06
EP0382460B1 EP0382460B1 (de)	1994-11-30

Family

ID=27458870

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90301203A Expired - Lifetime EP0382460B1 (de)	1989-02-06	1990-02-06	Flüssigkristall-Anzeigevorrichtung

Country Status (4)

Country	Link
US (1)	US5089906A (de)
EP (1)	EP0382460B1 (de)
CA (1)	CA2009319C (de)
DE (1)	DE69014334T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5107356A (en) *	1989-12-26	1992-04-21	General Electric Company	Liquid crystal display device with birefringent films
JPH04104124A (ja) *	1990-08-23	1992-04-06	Semiconductor Energy Lab Co Ltd	液晶電気光学装置
JPH04140722A (ja) *	1990-10-01	1992-05-14	Sharp Corp	液晶表示装置
DE69124911T2 (de) *	1990-10-24	1997-06-19	Nitto Denko Corp	Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung
JPH04194820A (ja) *	1990-11-22	1992-07-14	Sharp Corp	液晶表示装置
US5237438A (en) *	1991-05-02	1993-08-17	Casio Computer Co., Ltd.	Liquid crystal display device
JPH0566384A (ja) *	1991-09-10	1993-03-19	Sharp Corp	液晶表示装置
US5583678A (en) *	1993-03-12	1996-12-10	Casio Computer Co., Ltd.	Color liquid crystal display apparatus
ATE186125T1 (de) *	1993-09-29	1999-11-15	Akzo Nobel Nv	Verzögerungsschicht mit einer an die aktive flüssigkristalzelle angepassten dispersion
US5550660A (en) *	1993-11-22	1996-08-27	Tektronix, Inc.	STN displays having high contrast, with purple polarizer and residual birefringence causing greenish-gold or purplish-blue coloring
KR100309766B1 (ko) *	1994-01-24	2001-12-15	김순택	필름형보상셀을구비한액정디스플레이및그의제조방법
US6137560A (en) *	1995-10-23	2000-10-24	Hitachi, Ltd.	Active matrix type liquid crystal display apparatus with light source color compensation
JP3292809B2 (ja) *	1996-09-25	2002-06-17	松下電器産業株式会社	カラー液晶表示素子
JP3339334B2 (ja) *	1996-12-05	2002-10-28	松下電器産業株式会社	反射型液晶表示素子
DE69801480T2 (de) *	1997-12-25	2002-04-25	Fuji Photo Film Co. Ltd., Minamiashigara	Optische Kompensationsschicht und Flüssigkristallanzeige mit dieser Schicht
RU2178900C2 (ru) *	2000-02-25	2002-01-27	ОПТИВА, Инк.	Дихроичный поляризатор и материал для его изготовления
US6833894B2 (en) *	2001-01-11	2004-12-21	Hana Microdisplay Technologies, Inc	Enhanced contrast ratio for twisted nematic liquid crystal devices

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2028527A (en) *	1978-06-08	1980-03-05	American Liquid Xtal Chem	Improvements in liquid crystal displays
GB2171549A (en) *	1985-02-15	1986-08-28	Citizen Watch Co Ltd	Liquid crystal display device
EP0246842A2 (de) *	1986-05-19	1987-11-25	Seiko Epson Corporation	Flüssigkristall-Anzeigevorrichtung
EP0350075A2 (de) *	1988-07-08	1990-01-10	Kabushiki Kaisha Toshiba	Flüssigkristall-Anzeigevorrichtung
EP0393191A1 (de) *	1988-01-28	1990-10-24	Sanyo Electric Co., Ltd.	Flüssigkristallanzeigeanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS64519A (en) *	1986-05-19	1989-01-05	Seiko Epson Corp	Liquid crystal display device
JPH0797189B2 (ja) *	1987-10-07	1995-10-18	シャープ株式会社	液晶表示装置
JPH07117664B2 (ja) *	1987-12-03	1995-12-18	シャープ株式会社	液晶表示装置

1990
- 1990-02-05 CA CA002009319A patent/CA2009319C/en not_active Expired - Lifetime
- 1990-02-06 US US07/475,901 patent/US5089906A/en not_active Expired - Lifetime
- 1990-02-06 EP EP90301203A patent/EP0382460B1/de not_active Expired - Lifetime
- 1990-02-06 DE DE69014334T patent/DE69014334T2/de not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2028527A (en) *	1978-06-08	1980-03-05	American Liquid Xtal Chem	Improvements in liquid crystal displays
GB2171549A (en) *	1985-02-15	1986-08-28	Citizen Watch Co Ltd	Liquid crystal display device
EP0246842A2 (de) *	1986-05-19	1987-11-25	Seiko Epson Corporation	Flüssigkristall-Anzeigevorrichtung
EP0393191A1 (de) *	1988-01-28	1990-10-24	Sanyo Electric Co., Ltd.	Flüssigkristallanzeigeanordnung
EP0350075A2 (de) *	1988-07-08	1990-01-10	Kabushiki Kaisha Toshiba	Flüssigkristall-Anzeigevorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CONFERENCE RECORD OF THE 1988 INTERNATIONAL DISPLAY RESEARCH CONFERENCE, San Diego, CA, 4th - 6th October 1988, pages 195-198, IEEE, Piscataway, US; H. ODAI et al.: "Optical compensation of super twisted nematic LCD" *

Also Published As

Publication number	Publication date
CA2009319A1 (en)	1990-08-06
US5089906A (en)	1992-02-18
CA2009319C (en)	1994-11-01
DE69014334T2 (de)	1995-06-01
EP0382460B1 (de)	1994-11-30
EP0382460A2 (de)	1990-08-16
DE69014334D1 (de)	1995-01-12

Publication	Publication Date	Title
EP0382460A3 (de)	1991-11-06	Flüssigkristall-Anzeigevorrichtung
EP0482620A3 (en)	1992-06-03	Birefringent film, process for producing the same, retardation film, elliptically polarizing plate, and liquid crystal display
EP0376243A3 (de)	1991-04-17	Anzeigevorrichtung mit einem ferroelektrischen Flüssigkristall
CA2224847A1 (en)	1998-06-18	Normally white twisted nematic lcd with positive uniaxial and negative biaxial retarders
EP0350075A3 (de)	1990-09-05	Flüssigkristall-Anzeigevorrichtung
CA2148156A1 (en)	1995-10-30	Lcd with a pair of retardation films on one side of liquid crystal layer
CA2137047A1 (en)	1995-06-16	Normally white twisted nematic lcd with retardation films on opposite sides of liquid crystal material for improved viewing zone
EP0351967A3 (de)	1990-05-23	Optische Superpositionsvorrichtung für Kollimationszwecke
EP0377757A4 (en)	1991-10-16	Reflection-type liquid crystal electro-optical device and projection-type display device using the same
CA2038869A1 (en)	1991-09-24	Optical modulation device and display apparatus
EP0350063A3 (de)	1990-09-05	Flüssigkristall-Anzeigevorrichtung
EP0774682A3 (de)	1998-05-06	In Ruhestellung weisse Anzeigevorrichtung mit verdrillt nematischem Flüssigkristall und mit positiven und negativen Phasenverzögerern
EP0372973A3 (de)	1991-03-06	Flüssigkristall-Anzeigevorrichtung mit verbesserten Winkelblick-Eigenschaften
EP0573005A3 (en)	1995-10-11	Birefringent film and liquid crystal display having the same
JPS64519A (en)	1989-01-05	Liquid crystal display device
EP1006393A4 (de)	2000-11-15	Uhr
EP1559745A4 (de)	2008-04-02	Flüssigkristalline verbindungen enthaltende zusammensetzung und verzögerungsfolie damit
KR930006489A (ko)	1993-04-21	액정 표시 장치
EP0699938A2 (de)	1996-03-06	Flüssigkristallanzeige
EP1447688A4 (de)	2009-05-20	Zirkularpolarisationsplatte und flüssigkristallanzeigeeinrichtung
EP0367616A3 (de)	1991-04-24	Optisches Flüssigkristall-Element
EP1184713A3 (de)	2004-03-31	Flüssigkristallanzeige
TW428119B (en)	2001-04-01	Reflective liquid crystal display device
EP0806697A3 (de)	2001-05-30	Optisch anisotropischer Film und Flüssigkristallanzeigevorrichtung
EP0936490A4 (de)	1999-12-22	Flüssigkristall-anzeigevorrichtung

Legal Events

Date	Code	Title	Description
1990-06-30	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1990-08-16	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1991-02-20	17P	Request for examination filed	Effective date: 19901219
1991-09-19	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-11-06	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL
1993-07-14	17Q	First examination report despatched	Effective date: 19930528
1994-10-14	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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1995-01-12	REF	Corresponds to:	Ref document number: 69014334 Country of ref document: DE Date of ref document: 19950112
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1995-09-30	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-09-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-11-22	26N	No opposition filed
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